BEAM THERAPEUTICS INC

Ticker: BEAM CUSIP: 07373V105 Class: Common Stock

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 87,265 Value ($000) $2,419 Avg Close $25.51 Range $20.23 - $31.54

Q3 2025

Shares 83,053 Value ($000) $2,016 Avg Close $19.89 Range $15.60 - $25.69

Q2 2025

Shares 83,033 Value ($000) $1,412 Avg Close $17.41 Range $13.53 - $20.90

Q1 2025

Shares 82,802 Value ($000) $1,617 Avg Close $26.20 Range $18.30 - $35.25

Q4 2024

Shares 65,962 Value ($000) $1,636 Avg Close $25.52 Range $21.14 - $32.29

Q3 2024

Shares 66,660 Value ($000) $1,633 Avg Close $25.84 Range $22.25 - $34.09

Q2 2024

Shares 68,295 Value ($000) $1,600 Avg Close $24.56 Range $20.84 - $32.99

Q1 2024

Shares 69,814 Value ($000) $2,307 Avg Close $31.16 Range $22.75 - $49.50

Q4 2023

Shares 71,880 Value ($000) $1,957 Avg Close $24.84 Range $16.95 - $31.09

Q3 2023

Shares 72,637 Value ($000) $1,747 Avg Close $26.81 Range $22.52 - $33.16

Q2 2023

Shares 73,697 Value ($000) $2,353 Avg Close $32.45 Range $28.62 - $37.47

Q1 2023

Shares 73,172 Value ($000) $2,241 Avg Close $39.47 Range $29.59 - $50.74

Q4 2022

Shares 74,349 Value ($000) $2,908 Avg Close $44.79 Range $34.71 - $54.30

Q3 2022

Shares 73,468 Value ($000) $3,500 Avg Close $57.05 Range $38.29 - $73.27

Q2 2022

Shares 73,633 Value ($000) $2,850 Avg Close $39.75 Range $27.77 - $63.48

Q1 2022

Shares 51,068 Value ($000) $2,926 Avg Close $65.59 Range $52.78 - $82.62

Q4 2021

Shares 55,949 Value ($000) $4,459 Avg Close $85.62 Range $65.02 - $100.06

Q3 2021

Shares 52,546 Value ($000) $4,572 Avg Close $100.46 Range $82.37 - $138.52

Q2 2021

Shares 64,751 Value ($000) $8,334 Avg Close $79.68 Range $56.34 - $134.56

Q1 2021

Shares 60,165 Value ($000) $4,816 Avg Close $95.13 Range $62.87 - $126.90

Q4 2020

Shares 60,347 Value ($000) $4,927 Avg Close $49.18 Range $22.13 - $100.65

Q3 2020

Shares 53,480 Value ($000) $1,317 Avg Close $24.81 Range $18.76 - $31.00

Q2 2020

Shares 18,669 Value ($000) $523 Avg Close $21.55 Range $14.80 - $30.16

Q1 2020

Shares 18,669 Value ($000) $336 Avg Close $21.73 Range $13.00 - $31.80

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	87,265	$2,419	$25.51	$20.23 - $31.54
Q3 2025	83,053	$2,016	$19.89	$15.60 - $25.69
Q2 2025	83,033	$1,412	$17.41	$13.53 - $20.90
Q1 2025	82,802	$1,617	$26.20	$18.30 - $35.25
Q4 2024	65,962	$1,636	$25.52	$21.14 - $32.29
Q3 2024	66,660	$1,633	$25.84	$22.25 - $34.09
Q2 2024	68,295	$1,600	$24.56	$20.84 - $32.99
Q1 2024	69,814	$2,307	$31.16	$22.75 - $49.50
Q4 2023	71,880	$1,957	$24.84	$16.95 - $31.09
Q3 2023	72,637	$1,747	$26.81	$22.52 - $33.16
Q2 2023	73,697	$2,353	$32.45	$28.62 - $37.47
Q1 2023	73,172	$2,241	$39.47	$29.59 - $50.74
Q4 2022	74,349	$2,908	$44.79	$34.71 - $54.30
Q3 2022	73,468	$3,500	$57.05	$38.29 - $73.27
Q2 2022	73,633	$2,850	$39.75	$27.77 - $63.48
Q1 2022	51,068	$2,926	$65.59	$52.78 - $82.62
Q4 2021	55,949	$4,459	$85.62	$65.02 - $100.06
Q3 2021	52,546	$4,572	$100.46	$82.37 - $138.52
Q2 2021	64,751	$8,334	$79.68	$56.34 - $134.56
Q1 2021	60,165	$4,816	$95.13	$62.87 - $126.90
Q4 2020	60,347	$4,927	$49.18	$22.13 - $100.65
Q3 2020	53,480	$1,317	$24.81	$18.76 - $31.00
Q2 2020	18,669	$523	$21.55	$14.80 - $30.16
Q1 2020	18,669	$336	$21.73	$13.00 - $31.80